Facial myoclonus is a disease that, when understood literally, may seem to be a problem of the facial muscles. The definition of facial muscle spasm is the paroxysmal involuntary twitching of unilateral facial muscles, also known as lateral facial muscle spasm. However, if the facial muscle spasm is not controlled and treated, the symptoms will worsen and even spread to the neck if severe. In addition to these ah, facial muscle spasm symptoms if continued to aggravate, or hands and feet numbness condition. In addition to these problems, facial muscle spasm will also lead to the following problems. 1, orbicularis oculi muscle twitching. Facial muscle spasm initially begins with the orbicularis oculi muscle, the orbicularis oculi muscle will appear paroxysmal involuntary twitching. Primary facial muscle spasm usually develops after middle age and is more common in female patients. 2. Corners of the mouth twitching. The orbicularis oculi twitching will slowly extend to the whole face, and patients will have orofacial twitching, and it is easy to draw attention to it. The severity of the twitching varies and is characterized by paroxysmal and irregular behavior. 3.Speech impairment. At the initial onset, the twitching usually lasts for a few seconds, sometimes up to a few minutes. When the disease is serious, patients will have tonic convulsions, unable to open their eyes, the corners of their mouths will leak out, and they cannot speak normally. 4.Walking disorder. If facial muscle spasm is not treated in time, patients will not be able to walk normally. Treatment methods for facial myospasm include medication, surgery, acupuncture, etc. A suitable treatment plan should be formulated according to the patient’s specific situation. The main symptoms of facial myospasm include twitching of the orbicularis oculi, twitching of the corners of the mouth, speech disorders, numbness in the hands and feet and walking disorders. Facial myospasm is a very common disease with a very complex etiology, with vascular factors being the most common causative factor. Patients should pay more attention to care after surgery, and if there is any discomfort, they should be treated promptly. At present, the most popular surgical treatment is microvascular decompression. Microvascular decompression refers to the magnification of the intracranial nerves and blood vessels through a high-powered microscope, and then the spacer is placed between the nerve and the blood vessels, thus releasing the compression of the blood vessels on the root of the facial nerve and restoring the normal function of the facial nerve. This technique has the advantages of minimally invasive, high safety and low recurrence rate.